Today’s sports cars, compacts and performance sedans are extremely versatile. The tire they ride on has to be the same. The new AZENIS RT-615 offers a world spec construction, featuring an improved motorsports-grade cap compound that effectively maintains grip as tire temperatures increase. In addition, the special 8/32nd molded tread design reduces the new tire’s tread squirm while providing efficient mileage for street use. A solid center rib significantly reduces wheel spin by increasing the tire’s contact patch void ratio under heavy acceleration. Understanding the tremendous demands the AZENIS RT-615 will experience, new proprietary casing design, bead apex and turn-up technology allow for the elimination of heavy steel construction, resulting in an 8% reduction in unsprung tire weight.

In its category, the Azenis RT-615 performs well in wet conditions. 8/32 tread depth and optimized aqua tusk positioning, allows better tread adhesion as it delivers ample wet grip performance. Matched with three high void low turbulence grooves, consistent, and in some cases, increased, wet weather speeds can be achieved as potential hydroplaning tendencies are reduced.

The result: A tough, durable, street-sensible tire, whose 200/A/A UTQG rating, make it a great match for the autocross, time attack, or drift competition.

Great tire for dry roads and lite track use. Tons of grip and predictable breaking point. Slick when cold, grippy when warm. Better than expected in the rain. Little noisey and hard due to stiff sidewalls. Flat spots below 40 degrees, but smooths out after five minutes of driving. I expect to get 20k miles out of them.

Size: 245/55R17

Vehicle: 2004 Pontiac GTO 2 Dr Coupe Base with 8045 KM of Tire Wear

Anonymous
made this review on 2/16/2015 and is a
Extreme (Racetrack style racing)

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Overall:

4.7

Dry

5.0

Wet

4.0

Snow

1.0

Handling

5.0

Comfort

5.0

Noise

5.0

Treadwear

3.0

I put these tires on my 1973 BMW 2002Tii (2200lbs car, 135hp, uprated but not race suspension) and have used them exclusively for summer/fall road use, and track use (High performance driving course). Best bang for your buck... and I am talking a lot of bang.
On the road they are more grip than you will ever need, and even held their own in the rain. I can not approach their limits on the road; I am just not that stupid. They are comfortable tires. Compared to vintage tires stock to my car, they feel infinitely more comfortable without losing any road feel. Tread wear is not great, but better than most street/track tires, and lets face it, you don't buy tires like this for long tread-life... you get them for incredible eye watering traction.
On the track these tires were great. Sidewall stiffness was not an issue with my light car. Grip was immense, and immediate. These tires come up to optimal temp fast, and they never overheated (went squirmy) on me. Some describe the 615's as peaky for temperature... but the 615k's just stay where I want them. They inspired a lot of confidence even at the end of 30 minute lapping runs. They had great turn in, and progressive breakaway if your overcooked a corner.
Overall a great tire that I will buy again without a doubt for weekend back-road bombing, and occasional track days and autocross. Dry performance is incredible, and for the price they are hard to beat.

Size: 195/60R14

Vehicle: 5000 KM of Tire Wear

Anonymous
made this review on 1/21/2014 and is a
Extreme (Racetrack style racing)

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Overall:

4.5

Dry

5.0

Wet

4.0

Snow

3.0

Handling

5.0

Comfort

3.0

Noise

3.0

Treadwear

4.0

Size: 225/40R18

Vehicle: 60000 KM of Tire Wear

Anonymous
made this review on 5/29/2013 and is a
Extreme (Racetrack style racing)

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Overall:

4.3

Dry

5.0

Wet

4.0

Snow

1.0

Handling

4.0

Comfort

4.0

Noise

3.0

Treadwear

2.0

Size: 205/40R17

Vehicle: 18000 KM of Tire Wear

Anonymous
made this review on 10/2/2012 and is a
Aggressive Driver (Hard Cornering)

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Overall:

4.8

Dry

5.0

Wet

4.0

Snow

1.0

Handling

5.0

Comfort

5.0

Noise

5.0

Treadwear

5.0

Size: 225/40R18

Vehicle: 2007 Mazda Mazdaspeed3 Base with 6000 KM of Tire Wear

Anonymous
made this review on 9/10/2012 and is a
Extreme (Racetrack style racing)

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